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The value of oint limits text c frac text z ^2...

This question belongs to Engineering Maths Complex Variable
Complex Variable
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The value of $$\oint\limits_{\text{c}} {\frac{{{{\text{z}}^2}}}{{{{\text{z}}^4} - 1}}{\text{dz}}} $$   using Cauchy's integral formula, around circle |z + 1| = 1 where z = x + iy is

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Correct Answer: Option B
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